[PATCH] D129765: [DAG] SimplifyDemandedBits - don't early-out for multiple use values (WIP)
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 14 10:31:27 PDT 2022
RKSimon added inline comments.
================
Comment at: llvm/test/CodeGen/AArch64/parity.ll:85
+; CHECK-NEXT: lsr x9, x8, #2
+; CHECK-NEXT: eor w8, w8, w9
; CHECK-NEXT: eor w8, w8, w8, lsr #1
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I'm going to take a look at this, but for reference I'm surprised it doesn't get performed on the neon unit like ctpop: https://github.com/llvm/llvm-project/issues/56531
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D129765/new/
https://reviews.llvm.org/D129765
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